1213524353 has 2 divisors, whose sum is σ = 1213524354. Its totient is φ = 1213524352.

The previous prime is 1213524341. The next prime is 1213524373. The reversal of 1213524353 is 3534253121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 982697104 + 230827249 = 31348^2 + 15193^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213524353 - 2⁴ = 1213524337 is a prime.

It is not a weakly prime, because it can be changed into another prime (1213524373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606762176 + 606762177.

It is an arithmetic number, because the mean of its divisors is an integer number (606762177).

Almost surely, 2^1213524353 is an apocalyptic number.

It is an amenable number.

1213524353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213524353 is an equidigital number, since it uses as much as digits as its factorization.

1213524353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 29.

The square root of 1213524353 is about 34835.6764395354. The cubic root of 1213524353 is about 1066.6358230122.

Adding to 1213524353 its reverse (3534253121), we get a palindrome (4747777474).

The spelling of 1213524353 in words is "one billion, two hundred thirteen million, five hundred twenty-four thousand, three hundred fifty-three".